SMF - OPO

$467 Find Cheap Flights from Sacramento to Porto

This is the cheapest one-way flight price found by a KAYAK user in the last 72 hours by searching for a flight from Sacramento to Porto departing on 8/10. Fares are subject to change and may not be available on all flights or dates of travel. Click the price to replicate the search for this deal.
1 adult
1 adult, Economy

KAYAK searches hundreds of travel sites at once for deals on flights to Porto

 
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sacramento to Porto, as well as popular online travel agencies
These are the airlines KAYAK users have selected most often from within our search results in flight searches from Sacramento to Porto, as well as popular online travel agencies
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Flights Deals

Cheap Flights from Sacramento to Porto (SMF-OPO)

 
Here are some of the best deals found on KAYAK recently from the most popular airlines for round-trip flights from Sacramento to Porto that are departing in the next months. While these flights were available on KAYAK in the last 72 hours, prices and availability are subject to change and deals may expire.
Discover the best prices for you by selecting your travel dates on KAYAK.

Recent round-trip flight deals from Sacramento to Porto

Wed, Nov 26 - Wed, Feb 18
United Airlines Logo
6:45 am - 9:30 amSMF-OPO
18h 45m2 stops
United Airlines Logo
6:00 am - 7:26 pmOPO-SMF
21h 26m2 stops
$594United Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
United Airlines Logo
5:00 am - 3:25 pmSMF-OPO
26h 25m2 stops
United Airlines Logo
6:00 am - 9:51 pmOPO-SMF
23h 51m2 stops
$667United Airlines
Find Deal
Mon, Oct 13 - Fri, Oct 24
United Airlines Logo
7:40 am - 3:45 pmSMF-OPO
24h 05m2 stops
United Airlines Logo
12:05 pm - 7:41 pmOPO-SMF
39h 36m2 stops
$701United Airlines
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Sun, Sep 28 - Tue, Oct 7
United Airlines Logo
6:45 pm - 9:35 amSMF-OPO
30h 50m2 stops
United Airlines Logo
12:05 pm - 10:21 amOPO-SMF
30h 16m2 stops
$755United Airlines
Find Deal
Wed, Dec 3 - Sun, Dec 7
Iberia Logo
8:25 am - 8:00 pmSMF-OPO
27h 35m2 stops
Iberia Logo
12:25 pm - 10:35 pmOPO-SMF
42h 10m2 stops
$844Iberia
Find Deal
Fri, Sep 26 - Fri, Oct 10
Lufthansa Logo
10:34 am - 11:20 pmSMF-OPO
28h 46m2 stops
Lufthansa Logo
6:15 am - 11:33 pmOPO-SMF
25h 18m2 stops
$847Lufthansa
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Tue, Sep 16 - Sun, Oct 19
Air Canada Logo
6:46 am - 9:20 amSMF-OPO
42h 34m2 stops
Air Canada Logo
12:10 pm - 3:14 pmOPO-SMF
59h 04m2 stops
$881Air Canada
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Fri, Sep 26 - Fri, Oct 10
Iberia Logo
7:06 am - 3:55 pmSMF-OPO
24h 49m2 stops
Iberia Logo
12:20 pm - 8:59 pmOPO-SMF
40h 39m2 stops
$936Iberia
Find Deal
Tue, Sep 16 - Sun, Oct 19
 Logo
11:59 pm - 6:05 amSMF-OPO
22h 06m1 stop
 Logo
6:15 am - 7:41 pmOPO-SMF
21h 26m2 stops
$1,246
Find Deal
Sun, Sep 28 - Tue, Oct 7
 Logo
2:31 pm - 10:50 pmSMF-OPO
24h 19m2 stops
 Logo
12:35 pm - 10:31 pmOPO-SMF
17h 56m1 stop
$1,279
Find Deal
Booking Insights

KAYAK's insights & trends for Sacramento to Porto flights

Get data-powered insights and trends into flights from Sacramento to Porto to help you find the cheapest flights, the best time to fly and much more.

Which airlines provide the cheapest flights from Sacramento to Porto?

The cheapest round-trip price for the route for each airline clicked by KAYAK users in the last 72 hours.

In the past 3 days, the cheapest round-trip tickets from Sacramento to Porto were found on United Airlines ($594) and Iberia ($844).

Good to know

Low seasonOctober
Cheapest flight$467
Best time to beat the crowds with an average 37% drop in price.
Most popular time to fly and prices are also 1% lower on average.
Flight from Sacramento to Porto

When to book flights from Sacramento to Porto

Are your dates flexible? Find out the best times to travel from Sacramento to Porto based on our flight data from the last year. Discover the cheapest month and even day to fly.
Estimated round-trip price
KAYAK looks at all historical flight data for each date to provide a predicted price for one-way trips or round-trips with a duration up to 40 days. While we try to provide actual minimum prices for each date, some prices are predictions and actual prices may differ.

FAQs for booking flights from Sacramento to Porto

  • What is the cheapest flight from Sacramento to Porto?

    In the last 3 days, the lowest price for a flight from Sacramento to Porto was $467 for a one-way ticket and $594 for a round-trip.

  • Do I need a passport to fly between Sacramento and Porto?

    Yes, you’ll need a passport to travel to Porto from Sacramento.

  • Which aircraft models fly most regularly from Sacramento to Porto?

    We unfortunately don’t have that data for this specific route.

  • Which airline alliances offer flights from Sacramento to Porto?

    oneworld, and Star Alliance are the airline alliances operating flights between Sacramento and Porto, with Star Alliance being the most commonly used for this route.

  • Which is the best airline for flights from Sacramento to Porto, United Airlines or Air Canada?

    The two airlines most popular with KAYAK users for flights from Sacramento to Porto are United Airlines and Air Canada. With an average price for the route of $1,071 and an overall rating of 7.4, United Airlines is the most popular choice. Air Canada is also a great choice for the route, with an average price of $920 and an overall rating of 7.1.

  • How does KAYAK find such low prices on flights from Sacramento to Porto?

    KAYAK is a travel search engine. That means we look across the web to find the best prices we can find for our users. With over 2 billion flight queries processed yearly, we are able to display a variety of prices and options on flights from Sacramento to Porto.

  • How does KAYAK's flight Price Forecast tool help me choose the right time to buy my flight ticket from Sacramento to Porto?

    KAYAK’s flight Price Forecast tool uses historical data to determine whether the price for a flight to Porto from Sacramento is likely to change within 7 days, so travelers know whether to wait or book now.

  • What is the Hacker Fare option on flights from Sacramento to Porto?

    Hacker Fares allow you to combine one-way tickets in order to save you money over a traditional round-trip ticket. You could then fly to Porto with an airline and back to Sacramento with another airline. Booking your flights between Sacramento and OPO can sometimes prove cheaper using this method.

  • What is KAYAK's "flexible dates" feature and why should I care when looking for a flight from Sacramento to Porto?

    Sometimes travel dates aren't set in stone. If your preferred travel dates have some wiggle room, flexible dates will show you all the options when flying to Porto from Sacramento up to 3 days before/after your preferred dates. You can then pick the flights that suit you best.

Reviews of the top 3 airlines serving from Sacramento to Porto

 
See real verified KAYAK customer reviews for airlines flying from Sacramento to Porto. Airline scores are aggregated from all reviews left by passengers on KAYAK after flying with an airline. KAYAK doesn’t show reviews that are older than 5 years. Learn how KAYAK collects reviews.
Need help choosing which airline to fly with from Sacramento to Porto? KAYAK airline reviews give an overall score for each airline based on loads of factors, including comfort, boarding, in-flight entertainment and more, to make your decision easier. See airline scores according to verified KAYAK customer reviews.
8.0
DeltaOverall score based on 7980 reviews
7.9Comfort
8.5Crew
7.3Food
8.2Boarding
7.9Entertainment
Airline reviews

My husband upgraded our seats and I don't know if it was due to the type of planet was or if they didn't upgrade our seats. We were supposed to be in I believe comfort seats and they were just as tight as any other seat- no leg room and we are very tall people but at least it wasn't extremely cold. My husband did put in a complaint about our seating because he paid extra and if we would have known that the space and the tightness would have been the same, we just would have gotten the emergency row emergency row seats that we normally get. We love Delta but both our flights coming home we're not good. Oh I forgot to mention that on our flight to Hawaii our luggage wheels got broke and we had to purse new luggage on vacation then we never had this problem so we didn't know protocol and reported it after we got home only for them to tell is we only had 24hrs to report the damage. Not sure what was going on with Delta this vacation trip.

4.0 OkayMrs., Jul 2025LAX - RDU
Read more Delta reviews

My husband upgraded our seats and I don't know if it was due to the type of planet was or if they didn't upgrade our seats. We were supposed to be in I believe comfort seats and they were just as tight as any other seat- no leg room and we are very tall people but at least it wasn't extremely cold. My husband did put in a complaint about our seating because he paid extra and if we would have known that the space and the tightness would have been the same, we just would have gotten the emergency row emergency row seats that we normally get. We love Delta but both our flights coming home we're not good. Oh I forgot to mention that on our flight to Hawaii our luggage wheels got broke and we had to purse new luggage on vacation then we never had this problem so we didn't know protocol and reported it after we got home only for them to tell is we only had 24hrs to report the damage. Not sure what was going on with Delta this vacation trip.

Crew was excellent. Comfort seats not as nice as other kinds of planes.

It was a great flight and the stewards and stewardess were all kind and accommodating!! The seats were comfortable and entertainment screen excellent!

There are 4 flights in consecutive gates with about the same departure time. Two flights were boarding at the same time. One was delayed or boarding would be happening at the same time. I am not sure what Delta and LAX need to do to have a better layout at the end of Terminal 2

There was a security issue at the airport and we were unable to land. We circled endlessly and then landed at another airfield for fuel. We then circled the airport again, almost landed but didn’t fully touch down before circling again. I am thankful to the crew for keeping us safe- the issue was the airline and staff at the airport getting us seats on our connecting flights. That part was hours of searching for someone and getting in double my steps.

Most aspects were good however if they assign boarding zones they ought to enforce them or why bother? My luggage from SAN-JFK-MAD was lost in NY so I without my main bag for two days upon arrival in Spain. They were helpful in tracking it and eventually delivered it to my hotel. The flub was because of a delay upon arrival in NYC. I had booked 2 1/2 hours between flights but we had to hold on the taxiway for an hour after landing while waiting for a clear gate which likely caused the baggage error.

Excellent flight, the planes were newer, they did a nice job with boarding, great service overall.

It would be nice if was given wires ear buds. Overall was a good experience was able to sleep on the plane

737-800 in first class was pretty dumpy. Seat had an uncomfortable angle, storage under the seat was blocked so even my very modest backpack didn't fit, power outlet was flaky. Weird tiny seat pockets that couldn't hold a gallon ziploc bag, emesis bag missing, etc. etc. No in-flight service due to turbulence. Crew was excellent, boarding was smooth despite a full flight.

Delta flight was on time, seats were comfortable, and crew was nice.

I learned that seating towards the end of plane that a line forms for the restroom and people use your chair as a hand railing, bumping your seat consistently. I was seated in the aisle. I think that next time if I am towards the back row I would want to sit in the middle or window seat.

The best airline I have ever travel , really good customer service, attention and service !!

United sent me a mileage plus number last year but that number is invalid so I can’t use it to check into flights or collect mileage. There is human to speak about the problem, only computers who keep asking me if I am using the correct email. It’s so frustrating and I cannot resolve it.

Not a great experience. We paid for the upgrade for premium economy seats and seated ourselves in very comfortable seats. Someone came along with the same seat on their boarding pass. The aircraft had been changed and as a result we were booted out and sent further back to small uncomfortable seats. After complaining we were moved to emergency row seats, which gave us more leg room but the seats don’t recline. For people in our 70’s we found having to sit upright from California to NJ very uncomfortable. Not sure why they chose to move senior citizens instead of the two people that were allowed to take the more comfortable seats. Not happy.

Everything was great. Only thing that could’ve made it better was buy on board options for hot food, but the snacks were decent. The flight attendants were great. I had no complaints. I was able to make it to my destination safely

Boarded plane and then delayed 1.5 hours while on the plane

Horrific. They missed my connecting flight to San Diego. I didn’t get there until Monday at 9am when I had a mandatory court settlement conference scheduled at 6am since we had parties on the east coast. This caused many issues. All because United apparently forgot to hold the doors open until my flight landed that only had a 10 minute delay. This was the last flight to Southern California. So I couldn’t even rent a car to finish the trip. United cannot be trusted when traveling on specific days and times since weather didn’t have anything to do with the delays.

Really good 😊 the woman at the gate entrance was a little rude checking in our carry-on but i dont think she worked for the airline, she worked for the airport at sacramento, other than that amazing.

it was so bad. I tried to board my flight from vancouver to saskatoon. And to my surprise they did not board me cause the flight was changed and no email was send to me. and on my boarding pass which i got from seattle says different flight. I did not knew anyone from Vancouver, air canada crew was rude, i asked for today flight but they were rude and i had early morning dental appointment in saskatoon. I was so much in pain and my whole day is wasted today. and i suffered alot. They did provide me hotel but they did not provide me any food. I am really really disappointed first time had so bad experience with air canada. I may think twice to book it again. If i can get any reply or any composition that would be great. Thanks

Very comfortable (upgraded to business class). The audio on my screen didn’t work, but I managed to play the audio through my phone while watching the screen.

Both flights are delayed so I rate the whole experience as mediocre.

Bad experience boarding and flight got delayed didn’t make it to my next flight

The food on the trip Toronto to Athens could be better: the chicken didn’t taste good.

Before final boarding, my husband and I — both seniors — were told that we could not bring our carry-on bags with us due to being in Zone 6. The staff took our bags with little explanation, stating it was policy. While we understand boarding procedures may vary by zone, the way we were spoken to was unnecessarily rude and dismissive. We felt disrespected and singled out, and the interaction left us deeply uncomfortable. As seniors, we expect to be treated with courtesy and dignity, especially during travel when accommodations and communication matter most. We hope you will look into this matter and ensure better training for staff in handling such situations with more empathy and professionalism.

Easy boarding and comfortable seating were plusses. Enjoyed the experience and good service from the captain and crew. Many thanks...!

Somehow, my booking was under my preferred name instead of my legal name so they almost didn’t let me board the plane at LAX. This problem should have been notified to me when I was still in Toronto.

Short flight so no food or entertainment. Good landing at SFO and on time. We were told no carryon luggage yet lots of people were puting bags in overhead compartments. The rules need to be made more clear. I was on the first leg of an international flight and this is the first time I could not have carryon luggage.

Poor air traffic controller staffing led to a 50%reduction on flights so we got to wait 4 hrs for our flight! Very disorganized at the gate Poor communication with customers

No Charging ports for personal electronics, which were required to use wifi entertainment.

They are a great airline, and i enjoying flying with them. However my experience with booking through Kayak was a horrible experience. With all the restrictions and glitches of website. My entire bookings by kayak was wrong. And there was no possible way of fixing anything with them, because they hand over responsibility to the airline after purchase is made. Will not be booking through Kayak again and will inform my family and friends not to as well.

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